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2,2',3,4,4',6,6'-七氯联苯,[74472-48-3],多氯联苯|2,2′,3,4,4′,6,6′-七氯联苯|多氯联苯(PCBs)
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2,2',3,4,5,5',6-七氯联苯,[52712-05-7],多氯联苯|2,2′,3,4,5,5′,6-七氯联苯|多氯联苯(PCBs)
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2,2',3,4,5,6,6'-七氯联苯,[74472-49-4],多氯联苯|2,2′,3,4,5,6,6′-七氯联苯|多氯联苯(PCBs)
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2,2',3,4',5,6,6'-七氯联苯,[74487-85-7],多氯联苯|2,2′,3,4′,5,6,6′-七氯联苯|多氯联苯(PCBs)